release prep v1.11.1

[atravitz]

Make the PR:

• Create a new release prep branch corresponding to the version name, e.g. release/v1.2.0. Note: please follow semantic versioning.
• Check that all user-relevant updates are included in the news/ rever .rst files. You can backfill any additional items by making a new .rst, e.g. backfill.rst
• Run rever, e.g. rever 1.2.0. This will auto-commit docs/CHANGELOG.md and remove the .rst files from news/.
• Verify thatdocs/CHANGELOG.rst looks correct and that it renders as expected in the docs preview.
• If needed, create a release of the example notebooks repository and update the pinned release version in the openfe/docs/conf.py.
• Make the PR and verify that CI/CD passes.
  • feedstock packaging tests
  • example notebooks
  • GPU tests
• Merge the PR into main.

After Merging the PR follow this guide

[github-actions]

No API break detected ✅

[atravitz]

packaging will likely fail until conda-forge/openff-interchange-feedstock#127 is resolved.

[atravitz]

leaving this as a draft until our builds are fixed (hopefully by conda-forge/openff-interchange-feedstock#129), but it's ready for review.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 94.51%. Comparing base (246c082) to head (8254cdd).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1973      +/-   ##
==========================================
- Coverage   94.94%   94.51%   -0.43%     
==========================================
  Files         216      216              
  Lines       20481    20481              
==========================================
- Hits        19445    19357      -88     
- Misses       1036     1124      +88     

Flag	Coverage Δ
slow-tests	94.51% <ø> (-0.43%)	⬇️

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